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15079968 = 253252361
BaseRepresentation
bin111001100001…
…101000100000
31001101010211100
4321201220200
512330024333
61255114400
7242114631
oct71415040
931333740
1015079968
11856a892
125072a00
13317cb77
142007888
1514cd213
hexe61a20

15079968 has 36 divisors (see below), whose sum is σ = 42884478. Its totient is φ = 5026560.

The previous prime is 15079949. The next prime is 15079991. The reversal of 15079968 is 86997051.

It can be written as a sum of positive squares in only one way, i.e., 14837904 + 242064 = 3852^2 + 492^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25893 + ... + 26468.

Almost surely, 215079968 is an apocalyptic number.

15079968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15079968 is an abundant number, since it is smaller than the sum of its proper divisors (27804510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15079968 is a wasteful number, since it uses less digits than its factorization.

15079968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52377 (or 52366 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 15079968 is about 3883.2934475777. The cubic root of 15079968 is about 247.0586932372.

The spelling of 15079968 in words is "fifteen million, seventy-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 52361 104722 157083 209444 314166 418888 471249 628332 837776 942498 1256664 1675552 1884996 2513328 3769992 5026656 7539984 15079968